Answer:
The other angle is 190-7x.
Step-by-step explanation:
Angles in a triangle add up to 180 degrees.
Let A be the third angle.
A + (3x-20) + (4x+10) = 180
A = 180 - (3x - 20) - (4x + 10) = 190 - 7x
Answer:
C = 13
Step-by-step explanation:
+
= ![C^{2}](https://tex.z-dn.net/?f=C%5E%7B2%7D)
+
= 169
= 13
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Answer:
n = 12.546
Step-by-step explanation:
to find the value of n we need to transpose
n ÷ 102 = 0.123
n = 0.123 × 102
n = 12.546
y -
y1 = m (x - x1)
where m is the slope and (x1 , y1) is the point given
m = (y2-y1)\(x2-x1)
we have <span>(-5,-3) and (6,1)
so: m = (1- -3) / (6- -5) = (1+3)/(6+5) = 4/11
and the equation of the line is:
</span>y -
y1 = m (x - x1)
y-1 = 4/11 (x-6)
simplify:
y = 4/11 x - 24/11 +1
![y= \frac{4}{11} x - \frac{13}{11}](https://tex.z-dn.net/?f=y%3D%20%5Cfrac%7B4%7D%7B11%7D%20x%20-%20%20%5Cfrac%7B13%7D%7B11%7D%20)
I hope that
helps!